Excel classes presented at your office might be your best training solution when you need timely, interactive instruction focused on the specific needs of your group. If you prefer a hands-on presentation where each person has a computer, or if you simply want to watch and learn as Excel features are being demonstrated, you’ll have the benefit of asking pertinent questions as well as those critical follow-up questions that give you the added depth you need.

Dennis is the author of Teach Yourself Microsoft Excel 2000 and a co-author of four other books on spreadsheet software. He has developed customized Excel courses for specific clients, and has recorded over over 180 hours of Excel training courses for Lynda.com. Since 2006 he has presented over 600 public webinars on a variety of Excel topics.

A former employee of Levi Strauss, the University of Colorado, Amoco Oil, and the federal government, Dennis has taught over 5,000 seminars and classes. He has also led numerous training sessions with Apple, IBM, Lexmark, Texaco, Raytheon, Northrop-Grumman and various federal and state agencies.